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Internal Frame Backpacks

(252 products)

Products (252)

Sort: Best Match

REI Co-opTrail 25 Pack
$99.95
138 reviews with an average rating of 4.4 out of 5 stars
Gear Capacity:
25 liters
Weight:
1.81 to 1.87 lbs
Features:
Reservoir Compatible
Raincover Included
Top Rated
OspreyStratos 34 Pack - Men's
$149.93
Save 25%
compared to $200.00
84 reviews with an average rating of 4.8 out of 5 stars
Gear Capacity:
34 liters
Weight:
3.15 lbs
Features:
Reservoir Compatible
Raincover Included
REI Co-opTrailmade 60 Pack - Men's
$124.93
Save 30%
compared to $179.00
9 reviews with an average rating of 4.1 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
60 liters
Weight:
3.38 to 3.69 lbs
Features:
Reservoir Compatible
REI Co-opTrailmade 60 Pack - Women's
$124.93
Save 30%
compared to $179.00
4 reviews with an average rating of 4.8 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
60 liters
Weight:
3.25 to 3.62 lbs
Features:
Reservoir Compatible
REI Co-opTrail 40 Pack - Men's
$149.00
46 reviews with an average rating of 4.5 out of 5 stars
Gear Capacity:
40 to 41 liters
Weight:
2.75 to 3 lbs
Features:
Reservoir Compatible
Raincover Included
Top Rated
OspreyKestrel 38 Pack - Men's
$156.93 - $210.00
29 reviews with an average rating of 4.8 out of 5 stars
Gear Capacity:
36 to 38 liters
Weight:
4.07 to 4.24 lbs
Features:
Reservoir Compatible
Raincover Included
GregoryParagon 48 Pack - Men's
$179.73
Save 21% - 25%
compared to $229.95 - $239.95
2 reviews with an average rating of 5.0 out of 5 stars
Trip Length/Capacity:
Weekend
Gear Capacity:
48 liters
Weight:
3.5 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
Top Rated
GregoryBaltoro 75 Pack - Men's
$265.93
Save 30%
compared to $379.95
123 reviews with an average rating of 4.6 out of 5 stars
Trip Length/Capacity:
Extended, Multiday
Gear Capacity:
70 to 80 liters
Weight:
4.8 to 5.4 lbs
Features:
Reservoir Compatible
GregoryMaven 45 Pack - Closeout - Women's
$179.73
Save 21% - 25%
compared to $229.95 - $239.95
3 reviews with an average rating of 4.7 out of 5 stars
Trip Length/Capacity:
Weekend
Gear Capacity:
42 to 45 liters
Weight:
3.25 to 3.31 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
OspreyTempest 20 Pack - Women's
$102.73
Save 35%
compared to $160.00
159 reviews with an average rating of 4.1 out of 5 stars
Gear Capacity:
18 to 20 liters
Weight:
2.04 to 2.21 lbs
Features:
Reservoir Compatible
REI OUTLET
Top Rated
DeuterAircontact Core 65 + 10 Pack - Men's
$181.93
Save 30%
compared to $260.00
47 reviews with an average rating of 4.6 out of 5 stars
Trip Length/Capacity:
Extended, Multiday
Gear Capacity:
75 liters
Weight:
4.96 lbs
Features:
Reservoir Compatible
GregoryBaltoro 65 Pack - Men's
$244.93
Save 30%
compared to $349.95
89 reviews with an average rating of 4.2 out of 5 stars
Trip Length/Capacity:
Multiday, Extended
Gear Capacity:
60 to 70 liters
Weight:
4.72 to 5.25 lbs
Features:
Reservoir Compatible
Top Rated
OspreyManta 34 Hydration Pack - Men's
$164.93
Save 25%
compared to $220.00
38 reviews with an average rating of 4.5 out of 5 stars
Gear Capacity:
34 liters
Liquid Capacity:
2.5 liters
Weight:
3.5 lbs
Features:
Hipbelt Pockets
Raincover Included
OspreySirrus 24 Pack - Women's
$134.93
Save 25%
compared to $180.00
76 reviews with an average rating of 4.3 out of 5 stars
Gear Capacity:
24 liters
Weight:
2.73 lbs
Features:
Reservoir Compatible
Raincover Included
Top Rated
REI Co-opTrail 40 Pack - Women's
$149.00
23 reviews with an average rating of 4.6 out of 5 stars
Gear Capacity:
40 to 41 liters
Weight:
2.56 to 2.87 lbs
Features:
Reservoir Compatible
Raincover Included
GregoryBaltoro 65 Pack - Closeout - Men's
$247.73
Save 24%
compared to $329.95
104 reviews with an average rating of 4.5 out of 5 stars
Trip Length/Capacity:
Multiday, Extended
Gear Capacity:
60 to 70 liters
Weight:
4.72 to 5.25 lbs
Features:
Reservoir Compatible
REI OUTLET
Top Rated
OspreyStratos 24 Pack - Men's
$134.93
Save 25%
compared to $180.00
100 reviews with an average rating of 4.6 out of 5 stars
Gear Capacity:
24 liters
Weight:
2.78 lbs
Features:
Reservoir Compatible
Raincover Included
Top Rated
OspreyMira 32 Hydration Pack - Women's
$164.93
Save 25%
compared to $220.00
32 reviews with an average rating of 4.8 out of 5 stars
Gear Capacity:
32 liters
Liquid Capacity:
2.5 liters
Weight:
3.39 lbs
Features:
Hipbelt Pockets
Raincover Included
GregoryParagon 58 Pack - Closeout - Men's
$202.73
Save 22% - 24%
compared to $259.95 - $269.95
1 reviews with an average rating of 3.0 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
55 to 58 liters
Weight:
3.5 to 3.56 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
Top Rated
DeuterAircontact Core 50 + 10 Pack - Men's
$167.93
Save 30%
compared to $240.00
25 reviews with an average rating of 4.8 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
60 liters
Weight:
4.37 lbs
Features:
Reservoir Compatible
Top Rated
GregoryBaltoro 75 Pack - Closeout - Men's
$262.73
Save 24%
compared to $349.95
80 reviews with an average rating of 4.6 out of 5 stars
Trip Length/Capacity:
Extended, Multiday
Gear Capacity:
70 to 75 liters
Weight:
4.8 to 5 lbs
Features:
Reservoir Compatible
REI OUTLET
OspreyManta 24 Hydration Pack - Men's
$149.93
Save 25%
compared to $200.00
27 reviews with an average rating of 4.3 out of 5 stars
Gear Capacity:
24 liters
Liquid Capacity:
2.5 liters
Weight:
3.33 lbs
Features:
Hipbelt Pockets
Raincover Included
GregoryDeva 70 Pack - Closeout - Women's
$262.73
Save 24%
compared to $349.95
58 reviews with an average rating of 4.5 out of 5 stars
Trip Length/Capacity:
Multiday, Extended
Gear Capacity:
65 to 75 liters
Weight:
4.7 to 5.1 lbs
Features:
Reservoir Compatible
REI OUTLET
OspreyEja 58 Pack - Women's
$280.00
64 reviews with an average rating of 4.4 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
55 to 58 liters
Weight:
2.72 to 2.82 lbs
Features:
Reservoir Compatible
REI Co-opFlash 55 Pack - Men's
$219.00
86 reviews with an average rating of 4.2 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
53 to 57 liters
Weight:
2.75 to 2.87 lbs
Features:
Ultralight
Reservoir Compatible
GregoryCitro 30 Pack
$119.73
Save 25%
compared to $159.95
0 reviews
Gear Capacity:
30 liters
Weight:
2.09 lbs
Features:
Reservoir Compatible
REI OUTLET
Top Rated
OspreyMira 22 Hydration Pack - Women's
$149.93
Save 25%
compared to $200.00
13 reviews with an average rating of 4.5 out of 5 stars
Gear Capacity:
22 liters
Liquid Capacity:
2.5 liters
Weight:
3.24 lbs
Features:
Hipbelt Pockets
Raincover Included
Top Rated
GregoryDeva 70 Pack - Women's
$265.93
Save 30%
compared to $379.95
39 reviews with an average rating of 4.8 out of 5 stars
Trip Length/Capacity:
Multiday, Extended
Gear Capacity:
65 to 75 liters
Weight:
4.7 to 5.1 lbs
Features:
Reservoir Compatible
ALPS MountaineeringBaja 40 Pack
$119.73
Save 25%
compared to $159.99
0 reviews
Gear Capacity:
40 liters
Weight:
2.38 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
Top Rated
GregoryDeva 60 Pack - Women's
$244.93
Save 30%
compared to $349.95
49 reviews with an average rating of 4.6 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
55 to 65 liters
Weight:
4.61 to 4.96 lbs
Features:
Reservoir Compatible

1–30 of 252 products

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Related Expert Advice articles

Types of packs

Backpacking packs can be 30 to 70-plus liters. To choose the right capacity, consider trip duration and the gear you’ll bring.

Backpack features
Think about the frame type, location of important pockets, padding and ventilation, among other things.

Backpack fit
Your pack should be correctly sized for your torso length (not overall height) and hip circumference. A fit-expert at an REI store can help.

Read full article: How to Choose a Backpack

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